/* ── JetBrains Mono — self-hosted variable font ────────────────── */
@font-face {
    font-family: 'JetBrains Mono';
    src: url('/assets/fonts/JetBrainsMono[wght].woff2') format('woff2');
    font-weight: 100 800;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'JetBrains Mono';
    src: url('/assets/fonts/JetBrainsMono-Italic[wght].woff2') format('woff2');
    font-weight: 100 800;
    font-style: italic;
    font-display: swap;
}

/* ── Theme tokens ──────────────────────────────────────────────── */
:root,
[data-theme="dark"] {
    --bg-page:             #1e1e1e;
    --bg-sidebar:          #252526;
    --bg-sidebar-active:   #37373d;
    --bg-sidebar-hover:    #2a2d2e;
    --text-primary:        #d4d4d4;
    --text-muted:          #858585;
    --text-sidebar:        #cccccc;
    --text-sidebar-active: #ffffff;
    --border-color:        #3e3e42;
    --link-color:          #4fc1ff;
    --btn-primary-bg:      #0e639c;
    --btn-primary-hover:   #1177bb;
    --btn-primary-border:  #1177bb;
    --input-bg:            #3c3c3c;
    --input-border:        #3e3e42;
    --input-focus-border:  #007acc;
    --select-valid-bg:     #1a3a2a;
    --select-invalid-bg:   #3a1e1e;
    --code-bg:             #2d2d2d;
    --code-text:           #9cdcfe;
    --valid-outline:       #4ec9b0;
    --success-outline:     #22c55e;
    --invalid-outline:     #f48771;
    --ready-outline:       #f59e0b;
    --pixel-lit:           #f97316;
    --validation-color:    #f48771;
    --consent-bg:          #252526;
    --consent-border:      #3e3e42;
    --consent-text:        #d4d4d4;
    --consent-muted:       #858585;
}

[data-theme="light"] {
    --bg-page:             #ffffff;
    --bg-sidebar:          #f3f3f3;
    --bg-sidebar-active:   #e8e8e8;
    --bg-sidebar-hover:    #ebebeb;
    --text-primary:        #1e1e1e;
    --text-muted:          #616161;
    --text-sidebar:        #424242;
    --text-sidebar-active: #000000;
    --border-color:        #e0e0e0;
    --link-color:          #0066b8;
    --btn-primary-bg:      #0e639c;
    --btn-primary-hover:   #0057a1;
    --btn-primary-border:  #0057a1;
    --input-bg:            #ffffff;
    --input-border:        #cecece;
    --input-focus-border:  #007acc;
    --select-valid-bg:     #d4edda;
    --select-invalid-bg:   #f8d7da;
    --code-bg:             #f3f3f3;
    --code-text:           #0451a5;
    --valid-outline:       #26b050;
    --success-outline:     #16a34a;
    --invalid-outline:     #e50000;
    --ready-outline:       #d97706;
    --pixel-lit:           #f97316;
    --validation-color:    #e50000;
    --consent-bg:          #f8f9fa;
    --consent-border:      #dee2e6;
    --consent-text:        #495057;
    --consent-muted:       #6c757d;
}

/* ── Base ──────────────────────────────────────────────────────── */
html, body {
    font-family: 'JetBrains Mono', monospace;
    background-color: var(--bg-page);
    color: var(--text-primary);
}

a, .btn-link {
    color: var(--link-color);
}

h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    font-weight: 800;
}

hr {
    border-color: var(--border-color);
    opacity: 1;
}

code {
    background-color: var(--code-bg);
    color: var(--code-text);
    padding: 0.1em 0.35em;
    border-radius: 3px;
}

pre, code, kbd, samp, .mono {
    font-family: 'JetBrains Mono', monospace;
}

label {
    color: var(--text-primary);
}

/* ── Buttons ───────────────────────────────────────────────────── */
.btn-primary {
    background-color: var(--btn-primary-bg);
    border-color: var(--btn-primary-border);
    color: #ffffff;
}

.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active {
    background-color: var(--btn-primary-hover);
    border-color: var(--btn-primary-border);
    color: #ffffff;
}

.btn-outline-secondary {
    color: var(--text-muted);
    border-color: var(--border-color);
}

.btn-outline-secondary:hover {
    background-color: var(--bg-sidebar-active);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.btn-outline-primary {
    color: var(--link-color);
    border-color: var(--link-color);
}

.btn-outline-primary:hover {
    background-color: var(--btn-primary-bg);
    border-color: var(--btn-primary-border);
    color: #ffffff;
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus,
.form-control:focus, .form-check-input:focus {
    box-shadow: 0 0 0 0.1rem var(--bg-page), 0 0 0 0.25rem var(--input-focus-border);
}

/* ── Form controls ─────────────────────────────────────────────── */
.form-control {
    background-color: var(--input-bg);
    border-color: var(--input-border);
    color: var(--text-primary);
}

.form-control:focus {
    background-color: var(--input-bg);
    border-color: var(--input-focus-border);
    color: var(--text-primary);
}

.form-control:disabled,
.form-control[readonly] {
    background-color: var(--input-bg);
    color: var(--text-primary);
    opacity: 0.85;
}

/* ── Select validation states ──────────────────────────────────── */
select.select-valid {
    background-color: var(--select-valid-bg);
}

select.select-invalid {
    background-color: var(--select-invalid-bg);
}

/* ── Pill size selector ────────────────────────────────────────── */
.pill-selector {
    display: flex;
    flex-wrap: nowrap;
    gap: 6px;
    margin-top: 8px;
}

.pill-selector--wrap {
    flex-wrap: wrap;
    max-width: 480px;
}

.pill-btn {
    min-width: 44px;
    padding: 5px 10px;
    font-size: 13px;
    font-family: inherit;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    background: transparent;
    color: var(--text-primary);
    cursor: pointer;
    transition: background 0.12s, border-color 0.12s, color 0.12s;
    line-height: 1;
}

.pill-btn:hover {
    background: var(--bg-sidebar-hover);
    border-color: var(--input-border);
}

.pill-btn.active {
    background: var(--btn-primary-bg);
    border-color: var(--input-focus-border);
    color: #ffffff;
    font-weight: 500;
}

/* ── Font width slider row ──────────────────────────────────────── */
.slider-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 8px;
}

.slider-label {
    width: 120px;
    flex-shrink: 0;
    white-space: nowrap;
    color: var(--text-primary);
    font-size: 14px;
    margin: 0;
}

.font-slider {
    flex: 1;
    max-width: 240px;
    accent-color: var(--input-focus-border);
}

.slider-value {
    min-width: 32px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    font-family: monospace;
    text-align: right;
}

/* ── OFL note paragraph ────────────────────────────────────────── */
.ofl-note {
    font-size: 0.9em;
    color: var(--text-muted);
}

/* ── Validation ────────────────────────────────────────────────── */
.valid.modified:not([type=checkbox]) {
    outline: 1px solid var(--valid-outline);
}

.invalid {
    outline: 1px solid var(--invalid-outline);
}

.validation-message {
    color: var(--validation-color);
}

/* ── Nav icons and theme toggle (global — scoped CSS can't match html[data-theme]) ─── */
/* Default (dark sidebar): white fill */
.bi-info-circle-fill-nav-menu {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='white' viewBox='0 0 16 16'%3E%3Cpath d='M8 16A8 8 0 1 0 8 0a8 8 0 0 0 0 16zm.93-9.412-1 4.705c-.07.34.029.533.304.533.194 0 .487-.07.686-.246l-.088.416c-.287.346-.92.598-1.465.598-.703 0-1.002-.422-.808-1.319l.738-3.468c.064-.293.006-.399-.287-.47l-.451-.081.082-.381 2.29-.287zM8 5.5a1 1 0 1 1 0-2 1 1 0 0 1 0 2z'/%3E%3C/svg%3E");
}
.bi-grid-fill-nav-menu {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='white' viewBox='0 0 16 16'%3E%3Cpath d='M1 2a1 1 0 0 1 1-1h2a1 1 0 0 1 1 1v2a1 1 0 0 1-1 1H2a1 1 0 0 1-1-1zm5 0a1 1 0 0 1 1-1h2a1 1 0 0 1 1 1v2a1 1 0 0 1-1 1H7a1 1 0 0 1-1-1zm5 0a1 1 0 0 1 1-1h2a1 1 0 0 1 1 1v2a1 1 0 0 1-1 1h-2a1 1 0 0 1-1-1zM1 7a1 1 0 0 1 1-1h2a1 1 0 0 1 1 1v2a1 1 0 0 1-1 1H2a1 1 0 0 1-1-1zm5 0a1 1 0 0 1 1-1h2a1 1 0 0 1 1 1v2a1 1 0 0 1-1 1H7a1 1 0 0 1-1-1zm5 0a1 1 0 0 1 1-1h2a1 1 0 0 1 1 1v2a1 1 0 0 1-1 1h-2a1 1 0 0 1-1-1zM1 12a1 1 0 0 1 1-1h2a1 1 0 0 1 1 1v2a1 1 0 0 1-1 1H2a1 1 0 0 1-1-1zm5 0a1 1 0 0 1 1-1h2a1 1 0 0 1 1 1v2a1 1 0 0 1-1 1H7a1 1 0 0 1-1-1zm5 0a1 1 0 0 1 1-1h2a1 1 0 0 1 1 1v2a1 1 0 0 1-1 1h-2a1 1 0 0 1-1-1z'/%3E%3C/svg%3E");
}

/* Light sidebar: dark fill — html[] prefix raises specificity above scoped CSS */
html[data-theme="light"] .bi-info-circle-fill-nav-menu {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23424242' viewBox='0 0 16 16'%3E%3Cpath d='M8 16A8 8 0 1 0 8 0a8 8 0 0 0 0 16zm.93-9.412-1 4.705c-.07.34.029.533.304.533.194 0 .487-.07.686-.246l-.088.416c-.287.346-.92.598-1.465.598-.703 0-1.002-.422-.808-1.319l.738-3.468c.064-.293.006-.399-.287-.47l-.451-.081.082-.381 2.29-.287zM8 5.5a1 1 0 1 1 0-2 1 1 0 0 1 0 2z'/%3E%3C/svg%3E");
}
html[data-theme="light"] .bi-grid-fill-nav-menu {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23424242' viewBox='0 0 16 16'%3E%3Cpath d='M1 2a1 1 0 0 1 1-1h2a1 1 0 0 1 1 1v2a1 1 0 0 1-1 1H2a1 1 0 0 1-1-1zm5 0a1 1 0 0 1 1-1h2a1 1 0 0 1 1 1v2a1 1 0 0 1-1 1H7a1 1 0 0 1-1-1zm5 0a1 1 0 0 1 1-1h2a1 1 0 0 1 1 1v2a1 1 0 0 1-1 1h-2a1 1 0 0 1-1-1zM1 7a1 1 0 0 1 1-1h2a1 1 0 0 1 1 1v2a1 1 0 0 1-1 1H2a1 1 0 0 1-1-1zm5 0a1 1 0 0 1 1-1h2a1 1 0 0 1 1 1v2a1 1 0 0 1-1 1H7a1 1 0 0 1-1-1zm5 0a1 1 0 0 1 1-1h2a1 1 0 0 1 1 1v2a1 1 0 0 1-1 1h-2a1 1 0 0 1-1-1zM1 12a1 1 0 0 1 1-1h2a1 1 0 0 1 1 1v2a1 1 0 0 1-1 1H2a1 1 0 0 1-1-1zm5 0a1 1 0 0 1 1-1h2a1 1 0 0 1 1 1v2a1 1 0 0 1-1 1H7a1 1 0 0 1-1-1zm5 0a1 1 0 0 1 1-1h2a1 1 0 0 1 1 1v2a1 1 0 0 1-1 1h-2a1 1 0 0 1-1-1z'/%3E%3C/svg%3E");
}

/* ── Theme toggle icon and labels (global — scoped CSS can't match html[data-theme]) ── */
/* Dark mode → show sun + "Light" (where you're going) */
[data-theme="dark"] .bi-theme-icon {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='white' viewBox='0 0 16 16'%3E%3Cpath d='M8 11a3 3 0 1 1 0-6 3 3 0 0 1 0 6zm0 1a4 4 0 1 0 0-8 4 4 0 0 0 0 8zM8 0a.5.5 0 0 1 .5.5v2a.5.5 0 0 1-1 0v-2A.5.5 0 0 1 8 0zm0 13a.5.5 0 0 1 .5.5v2a.5.5 0 0 1-1 0v-2A.5.5 0 0 1 8 13zm8-5a.5.5 0 0 1-.5.5h-2a.5.5 0 0 1 0-1h2a.5.5 0 0 1 .5.5zM3 8a.5.5 0 0 1-.5.5h-2a.5.5 0 0 1 0-1h2A.5.5 0 0 1 3 8zm10.657-5.657a.5.5 0 0 1 0 .707l-1.414 1.415a.5.5 0 1 1-.707-.708l1.414-1.414a.5.5 0 0 1 .707 0zm-9.193 9.193a.5.5 0 0 1 0 .707L3.05 13.657a.5.5 0 0 1-.707-.707l1.414-1.414a.5.5 0 0 1 .707 0zm9.193 2.121a.5.5 0 0 1-.707 0l-1.414-1.414a.5.5 0 0 1 .707-.707l1.414 1.414a.5.5 0 0 1 0 .707zM4.464 4.465a.5.5 0 0 1-.707 0L2.343 3.05a.5.5 0 1 1 .707-.707l1.414 1.414a.5.5 0 0 1 0 .708z'/%3E%3C/svg%3E");
}

/* Light mode → show moon + "Dark" (where you're going) */
[data-theme="light"] .bi-theme-icon {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23424242' viewBox='0 0 16 16'%3E%3Cpath d='M6 .278a.768.768 0 0 1 .08.858 7.208 7.208 0 0 0-.878 3.46c0 4.021 3.278 7.277 7.318 7.277.527 0 1.04-.055 1.533-.16a.787.787 0 0 1 .81.316.733.733 0 0 1-.031.893A8.349 8.349 0 0 1 8.344 16C3.734 16 0 12.286 0 7.71 0 4.266 2.114 1.312 5.124.06A.752.752 0 0 1 6 .278z'/%3E%3C/svg%3E");
}

[data-theme="dark"]  .theme-label-dark  { display: none; }
[data-theme="light"] .theme-label-light { display: none; }

/* ── Layout ────────────────────────────────────────────────────── */
.content {
    padding-top: 1.1rem;
}

h1:focus {
    outline: none;
}

/* ── Blazor error boundary ─────────────────────────────────────── */
.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

.blazor-error-boundary::after {
    content: "An error has occurred."
}

.darker-border-checkbox.form-check-input {
    border-color: #929292;
}

/* ════════════════════════════════════════════════════════════════
   Font Selector — PCB / embedded-hardware widget
   All fs-* classes live here (not scoped) to avoid virtual-asset
   caching issues with FontMaker.Site.styles.css in dev mode.
   ════════════════════════════════════════════════════════════════ */

.font-selector {
    font-family: 'JetBrains Mono', monospace;
    border: 2px solid rgba(128, 128, 128, 0.55);
    border-radius: 2px;
    width: 100%;
}
.font-selector.fs-valid   { border-color: var(--success-outline); }
.font-selector.fs-invalid { border-color: var(--invalid-outline); }

/* ── Header / toggle bar ── */
.fs-header {
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 0 10px;
    height: 2.5rem;
    background: var(--bg-sidebar);
    border-bottom: 1px solid rgba(128, 128, 128, 0.3);
    cursor: pointer;
    user-select: none;
}
.fs-header:hover { background: var(--bg-sidebar-hover); }
.fs-header--disabled             { cursor: not-allowed; opacity: 0.55; }
.fs-header--disabled:hover       { background: var(--bg-sidebar); }

/* Body-level tooltip rendered by app.js, escapes overflow:hidden ancestors */
.hint-tooltip {
    position: fixed;
    z-index: 9999;
    background: var(--bg-sidebar);
    color: var(--text-primary);
    border: 1px solid rgba(128, 128, 128, 0.45);
    border-radius: 4px;
    padding: 6px 10px;
    font-size: 13px;
    font-family: 'JetBrains Mono', monospace;
    max-width: 260px;
    white-space: normal;
    line-height: 1.5;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.15s;
}
.hint-tooltip--visible { opacity: 1; }

.fs-led {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
    background: rgba(128, 128, 128, 0.45);
    transition: background 0.2s, box-shadow 0.2s;
}
.font-selector.fs-valid   .fs-led { background: var(--success-outline); box-shadow: 0 0 5px var(--success-outline); }
.font-selector.fs-invalid .fs-led { background: var(--invalid-outline); box-shadow: 0 0 5px var(--invalid-outline); }

.fs-label {
    font-size: 0.9em;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
    flex-shrink: 0;
}

.fs-trace {
    flex: 1;
    height: 0;
    border-top: 1px dashed rgba(128, 128, 128, 0.3);
    min-width: 12px;
}

.fs-selection {
    font-size: 0.88em;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 55%;
}
.font-selector.fs-valid .fs-selection { color: var(--success-outline); }

.fs-toggle {
    font-size: 0.7em;
    color: var(--text-muted);
    flex-shrink: 0;
}

/* ── Animated body (max-height CSS accordion) ── */
.fs-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.22s ease-out;
}
.fs-body.fs-body--open {
    max-height: 420px;
    transition: max-height 0.28s ease-in;
}

/* ── Vendor select ── */
.fs-vendor-select {
    display: block;
    width: 100%;
    padding: 6px 10px;
    border: none;
    border-bottom: 1px solid rgba(128, 128, 128, 0.3);
    border-radius: 0;
    background: var(--input-bg);
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.88em;
    outline: none;
    cursor: pointer;
}
.fs-vendor-select:focus { border-bottom-color: var(--input-focus-border); }

/* ── Tree panel — fixed height, scrolls internally ── */
.fs-tree {
    max-height: 340px;
    overflow-y: auto;
    background: var(--bg-page);
}
.fs-tree::-webkit-scrollbar       { width: 4px; }
.fs-tree::-webkit-scrollbar-track { background: transparent; }
.fs-tree::-webkit-scrollbar-thumb { background: rgba(128,128,128,0.4); border-radius: 2px; }
.fs-tree::-webkit-scrollbar-thumb:hover { background: rgba(128,128,128,0.65); }

/* ── Base row ── */
.fs-row {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 6px 10px;
    cursor: pointer;
    border-bottom: 1px solid rgba(128, 128, 128, 0.12);
    border-left: 3px solid transparent;
    user-select: none;
    font-size: 0.88em;
    line-height: 1.3;
    min-height: 32px;
    transition: background 0.1s;
}
.fs-row:last-child { border-bottom: none; }
.fs-row:hover      { background: var(--bg-sidebar-hover); }

.fs-row.fs-row-selected {
    background: var(--select-valid-bg);
    color: var(--valid-outline);
    border-left-color: var(--valid-outline);
}

/* ── Family nodes ── */
/* .fs-leaf padding is set via inline style so all level-1 rows align */

.fs-chevron {
    font-size: 0.72em;
    width: 11px;
    flex-shrink: 0;
    color: var(--text-muted);
}
.fs-node.fs-row-selected .fs-chevron { color: var(--valid-outline); }

.fs-hint {
    margin-left: auto;
    font-size: 0.78em;
    color: var(--text-muted);
    font-style: italic;
    padding-left: 6px;
    flex-shrink: 0;
}

/* ── Variant items — indented with PCB tree connectors ── */
.fs-variants {
    position: relative;
    background: var(--input-bg);
}
.fs-variants::before {
    content: '';
    position: absolute;
    left: 19px;
    top: 0;
    bottom: 0;
    width: 1px;
    background: rgba(128, 128, 128, 0.25);
    pointer-events: none;
}

/* Higher specificity than .fs-row alone — wins the padding cascade */
.fs-row.fs-variant {
    padding-left: 34px;
    color: var(--text-muted);
    min-height: 28px;
    position: relative;
}
.fs-row.fs-variant::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 50%;
    width: 10px;
    height: 1px;
    background: rgba(128, 128, 128, 0.25);
}
.fs-row.fs-variant:hover { color: var(--text-primary); }
.fs-row.fs-variant.fs-row-selected {
    color: var(--valid-outline);
    background: var(--select-valid-bg);
    border-left-color: var(--valid-outline);
}
.fs-row.fs-variant.fs-row-selected::before { background: var(--valid-outline); }

/* --- Shared accent button (orange/pixel-lit border, dark background) --- */
.btn-pixel-action {
    padding: 5px 14px; font-size: 13px; border-radius: 5px; cursor: pointer;
    border: 1px solid var(--pixel-lit); background: #1a0800; color: var(--pixel-lit);
    transition: opacity .15s;
}
.btn-pixel-action:disabled { opacity: .35; cursor: default; border-color: #444; color: #666; background: #1e1e1e; }
.btn-pixel-action:not(:disabled):hover { background: #2a0f00; }
/* Inside a header row the button must not exceed the row's natural line-height. */
.fs-header .btn-pixel-action { font-size: 0.72rem; line-height: 1; }